801968254 has 4 divisors (see below), whose sum is σ = 1202952384. Its totient is φ = 400984126.

The previous prime is 801968239. The next prime is 801968257. The reversal of 801968254 is 452869108.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 801968254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801968257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200492062 + ... + 200492065.

It is an arithmetic number, because the mean of its divisors is an integer number (300738096).

Almost surely, 2^801968254 is an apocalyptic number.

801968254 is a deficient number, since it is larger than the sum of its proper divisors (400984130).

801968254 is a wasteful number, since it uses less digits than its factorization.

801968254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400984129.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 801968254 is about 28319.0440163506. The cubic root of 801968254 is about 929.0784620282.

The spelling of 801968254 in words is "eight hundred one million, nine hundred sixty-eight thousand, two hundred fifty-four".